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公开(公告)号：US20220263740A1
公开(公告)日：2022-08-18
申请号：US17174945
申请日：2021-02-12
Applicant: Hach Company
Inventor： Vishnu Vardhanan Rajasekharan , Russell Young
Abstract: An embodiment provides a method for real-time management of device maintenance utilizing quality metrics defined based upon inputs of the device, the method including: receiving inputs corresponding to a particular device, wherein the particular device provides measurements of a parameter of a fluid; generating, from the inputs, quality metrics for and unique to the particular device; monitoring the particular device while the particular device is deployed, wherein the monitoring occurs in view of the quality metrics; and triggering, responsive to detecting information corresponding to the particular device is violating at least one of the quality metrics, a notification to a user to perform an action corresponding to the particular device.
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公开(公告)号：US20220261721A1
公开(公告)日：2022-08-18
申请号：US17174888
申请日：2021-02-12
Applicant: Hach Company
Inventor： Vishnu Vardhanan Rajasekharan , Russell Young
Abstract: An embodiment provides a method, including: receiving, at an electronic device, a data set comprising measured values for a plurality of parameters associated with an upcoming operational process associated with water quality, wherein each of the plurality of parameters is selected from the group consisting of: energy, chemicals, labor, equipment, and a process efficiency value; determining, by at least comparing the measured values against each other, a cost benefit index associated with the upcoming operational process; and providing, based on the determined cost benefit index, a recommendation to maximize a benefit derived from the upcoming operational process based upon a cost to complete the upcoming operational process. Other aspects are described and claimed.
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公开(公告)号：US20220260547A1
公开(公告)日：2022-08-18
申请号：US17174851
申请日：2021-02-12
Applicant: Hach Company
Inventor： Vishnu Vardhanan Rajasekharan , Russell Young
Abstract: An embodiment provides a method of forecasting water quality deterioration in a water distribution system, including: receiving, at an electronic device, a data set comprising measured values of a plurality of components within the water distribution system; determining, based upon algorithmic analysis of the measured values, a water quality index; and providing, based on the determined water quality index, a recommendation to mitigate water quality deterioration in the water distribution system. Other aspects are described and claimed.
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公开(公告)号：US20220214306A1
公开(公告)日：2022-07-07
申请号：US17143700
申请日：2021-01-07
Applicant: Hach Company
Inventor： Corey Alan Salzer
IPC: G01N27/416
Abstract: An embodiment provides a method for measuring an alkalinity of an aqueous sample, including: introducing an aqueous sample to a voltammetric pH electrode; holding the potential of a voltammetric pH electrode at a pH end point potential; applying a voltage step waveform comprising at least one potential pulse to the voltammetric pH electrode; titrating the aqueous sample; and measuring a current output resulting from the voltage step waveform, wherein the measuring comprises square wave amperometry. Other aspects are described and claimed.
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公开(公告)号：US20220187197A1
公开(公告)日：2022-06-16
申请号：US17551973
申请日：2021-12-15
Applicant: Hach Company
Inventor： Vishnu Vardhanan Rajasekharan , Dan Jonathan Kroll
Abstract: An embodiment provides a method for digesting at least one analyte of an aqueous sample, including: introducing an aqueous sample comprising at least one analyte into a digestion device comprising one or more carbon substituted material electrodes; digesting the at least one analyte by applying an electrical potential between an anode and a cathode of the digestion device, wherein the digesting comprises a step-wise disintegration; measuring the at least one analyte of the aqueous sample from the digested material, using a measurement device selected from the group consisting of: an electrochemical device and an optical measurement device; and modifying the electrical potential based upon the measurement of the at least one analyte. Other aspects are described and claimed.
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Patent Agency Ranking
公开(公告)号：US20220178892A1
公开(公告)日：2022-06-09
申请号：US17598575
申请日：2020-03-28
Applicant: Hach Company
Inventor： Daniel Gustav Mieritz , Angella Nicholle Greenawalt
Abstract: An embodiment provides a method for measuring an ion component of an aqueous sample using a photoreactive species, including: generating a metal organic framework by combining, in a reactive solution, at least one organic linker and at least one metal; impregnating the metal organic framework with the photoreactive species; introducing the impregnated metal organic framework into an aqueous sample; and measuring an analyte component concentration of the aqueous sample, wherein the measuring comprises measuring a change in the aqueous sample, wherein the change is responsive to the analyte component dissolving at least one of: the at least one organic linker and the at least one metal, and releasing the photoreactive species. Other embodiments are described and claimed.
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公开(公告)号：US11035798B2
公开(公告)日：2021-06-15
申请号：US16512054
申请日：2019-07-15
Applicant: Hach Company
Inventor： Darren Kent MacFarland , Rachel Nicole Seals
Abstract: An embodiment provides a method for measuring amines in a solution, including: preparing an indicator-metal complex, wherein the indicator-metal complex comprises an indicator and a metal; introducing the indicator-metal complex to a solution, wherein the solution contains an amount of amine, wherein the amine activates the indicator-metal complex causing a change in fluorescence intensity of the indicator-metal complex; and measuring the amount of amine in the solution by measuring the change in fluorescence intensity of the indicator-metal complex.
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公开(公告)号：US20210102914A1
公开(公告)日：2021-04-08
申请号：US17127296
申请日：2020-12-18
Applicant: Hach Company
Inventor： Corey Salzer , Vishnu Rajasekharan , Dan Kroll , John Lee
IPC: G01N27/404 , G01N27/49 , G01N33/18 , G01N27/407
Abstract: An embodiment provides an amperometric sensor, including: a housing containing an inner fill solution; an electrode bathed in the inner fill solution; and a membrane in intimate contact with the electrode; the electrode being formed as a non-compact or porous structure on the membrane; whereby a spatial relationship of the electrode and the membrane is constant. Other embodiments are described and claimed.
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公开(公告)号：US20210033579A1
公开(公告)日：2021-02-04
申请号：US16529594
申请日：2019-08-01
Applicant: Hach Company
Inventor： Daniel Gustav Mieritz
Abstract: An embodiment provides a method for measuring sulfate in an aqueous sample, including: introducing an aqueous sample containing an amount of sulfate to a barium dye complex, thereby creating a solution; adding a clarifying agent to the solution, thereby causing the solution to be clarified; and measuring the amount of sulfate in the aqueous sample by measuring a change in color of the solution, the change in color caused by the barium dye complex mixing with the sulfate. Other aspects are described and claimed.
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